1) 5(6+х)+13+6х 2) 15(х+3у)+8(х-2у) 3) 123х+2(3х+7у)+42у - вопрос №8256908156136215382312323742411173245 от Vhrgrg 22.10.2020 01:30

Question

Математика: 1) 5(6+х)+13+6х 2) 15(х+3у)+8(х-2у) 3) 123х+2(3х+7у)+42у 4) 11х+17+3у+2(х+4у) 5) 36х+(5х+4у)3-10у 6) 24х+90+(21+3х)2-39

Vhrgrg · Answer

1) 30+5x+13+6x = 43+11x2) 15x +45y +8x -16y = 23x +29y3) 123x +6x+14y +42y = 129x +56y4) 11x+17+3y+2x+8y = 13x+11y+175) 36x+15x+12y-10y = 51x+2y6) 24x+90+42+6x-39 = 30x+93...